Finding the Fourth Proportional to 7,095.92, 10,642.78 and 3,974

Step by Step Solution

1. Step 1: Write the proportion equation
   7,095.92 : 10,642.78 = 3,974 : x
2. Step 2: Convert to fraction form
   7,095.92/10,642.78 = 3,974/x
3. Step 3: Cross multiply
   7,095.92x = 10,642.78 × 3,974
4. Step 4: Simplify right side
   7,095.92x = 42,294,407.72
5. Step 5: Solve for x
   x = 42,294,407.72/7,095.92
6. Step 6: Final answer
   x = 5,960.38